Final answer:
Tough Mudder uses a functional departmentalization approach.
Step-by-step explanation:
Tough Mudder uses a functional departmentalization approach for its organization. Functional departmentalization is when an organization groups employees based on the functions or areas of expertise they perform. In this case, Tough Mudder has different teams such as the creative team, merchandising partnership team, accounting and finance department, logistics department, and operations department. Each team focuses on a specific function within the organization.